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This section includes 2 Mcqs, each offering curated multiple-choice questions to sharpen your Pulp & Paper knowledge and support exam preparation. Choose a topic below to get started.
1. |
__________ with sodium hydroxide and/or sodium peroxide is utilized to produce the high pH that is crucial to produce the active perhydroxyl ion, HOO . |
A. | tHydrogen dioxide |
B. | tHydrogen peroxide |
C. | tHydrogen silicate |
D. | tHydrogen fluoride |
Answer» D. tHydrogen fluoride | |
2. |
__________ (5% on wood) is used usually after the addition of magnesium ion. The mechanism for inactivating the ions by __________ precipitating the ions, but, strictly speaking, it is not a chelating agent. |
A. | tSodium disulfate |
B. | tSodium peroxide |
C. | tSodium silicate |
D. | tSodium hydroxide |
Answer» D. tSodium hydroxide | |